nkp55

Top 10 most important Environmental Issues

What do you mean by environmental issues? Environmental issues are defined as problems encountered in the Earth’s system, such as climate change, pollution, resource depletion, deforestation, and overpopulation. Human activity is a major reason behind such environmental concern, which directly or indirectly damages the health of the environment. Almost all environmental problems are the result …

Top 10 most important Environmental Issues Read More »

Food chain and food web: Definition, diagrams, types, and examples

Producers, consumers, and decomposers constitute the biotic environment of an ecosystem. When we arrange these organisms in a sequence on the basis of who eats whom, it is called a food chain. In other words, A food chain is a graphical representation of the link between autotrophs(producers) and consumers.  Each position or level in the …

Food chain and food web: Definition, diagrams, types, and examples Read More »

What is Ecology, level of ecology, hierarchy of Ecological organization

What is Ecology?| Definition, levels, and branches of Ecology

What is ecology? Ecology is a branch of biology, associated with the study of relationships between organisms and the environment. The interrelation of organisms and the environment may be, between organism & its place of living Between organism & its neighbour Between organism & its own community Between organism & other communities. The term ‘Oecology’ …

What is Ecology?| Definition, levels, and branches of Ecology Read More »

What is Biosphere

What is Biosphere

The biosphere is a specific sphere or domain of the Earth system that includes all living organisms. It includes every life from giant whales to bacteria. The term Biosphere was first coined by Eduard Seuss. However, The concept of Biosphere was first formulated in 1926 by Vladimir Vernadsky in his book “The biosphere”. Biosphere is …

What is Biosphere Read More »

When was the ice age?

Geologists define an ice age as a period when sheets of ice cover the large portion of the continents. In other words, we can say that when cool temperatures remain for an extended period of time, the polar ice advances into lower latitudes, and eventually covers most of the northern hemisphere by sheets of ice. The …

When was the ice age? Read More »